Kumar also directed the officials concerned to ensure better treatment of the injured persons.
Earlier on Sunday, at least eight people, including three women, died after a head-on collision between an auto rickshaw and a truck in Samastipur's Mushrigharari area.
The incident took place around 78 kilometers from the state capital.
As soon as the incident took place, the victims were rushed to a nearby hospital, where they were declared brought dead.
The administration is trying to identify the deceased persons. (ANI)